diff --git a/.travis.yml b/.travis.yml
index eca8e1f9a..8cc5c4b61 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,13 +20,13 @@ before_script:
  - ./configure && make && make install
  - cd ..
 # - pecl install channel://pecl.php.net/pthreads-3.1.6
- - echo | pecl install channel://pecl.php.net/yaml-2.0.4
+ - echo | pecl install channel://pecl.php.net/yaml-2.1.0
  - pecl install channel://pecl.php.net/crypto-0.3.1
  - pecl install channel://pecl.php.net/ds-1.2.9
- - pecl install channel://pecl.php.net/igbinary-3.0.1
+ - pecl install channel://pecl.php.net/igbinary-3.1.2
  - git clone https://github.com/pmmp/pthreads.git
  - cd pthreads
- - git checkout 1b7da492b944146fa9680f6399bd9c6c6c6095e0
+ - git checkout 646dac62ae0d48c1ada7b007e15575fb84f7d71d
  - phpize
  - ./configure
  - make